def OnClose(self, event):
# Remove all CEF browser references so that browser is closed
# cleanly. Otherwise there may be issues for example with cookies
# not being flushed to disk when closing app immediately
# (Issue 158).
del self.javascriptExternal.mainBrowser
del self.clientHandler.mainBrowser
del self.browser
# Destroy wx frame, this will complete the destruction of CEF browser
self.Destroy()
# In wx.chromectrl calling browser.CloseBrowser and/or self.Destroy
# may cause crashes when embedding multiple browsers in tab
# (Issue 107). In such case instead of calling CloseBrowser/Destroy
# try this code:
# | self.browser.ParentWindowWillClose()
# | event.Skip()
global g_countWindows
g_countWindows -= 1
if g_countWindows == 0:
# On Win/Linux the call to cefpython.Shutdown() is after
# app.MainLoop() returns, but on Mac it needs to be here.
cefpython.Shutdown()
print("[wxpython.py] OnClose: Exiting")
wx.GetApp().Exit()
def ExceptHook(excType, excValue, traceObject):
import traceback, os, time, codecs
# This hook does the following: in case of exception write it to
# the "error.log" file, display it to the console, shutdown CEF
# and exit application immediately by ignoring "finally" (os._exit()).
errorMsg = "\n".join(
traceback.format_exception(excType, excValue, traceObject))
errorFile = GetApplicationPath("error.log")
try:
appEncoding = cefpython.g_applicationSettings["string_encoding"]
except:
appEncoding = "utf-8"
if type(errorMsg) == bytes:
errorMsg = errorMsg.decode(encoding=appEncoding, errors="replace")
try:
with codecs.open(errorFile, mode="a", encoding=appEncoding) as fp:
fp.write("\n[%s] %s\n" %
(time.strftime("%Y-%m-%d %H:%M:%S"), errorMsg))
except:
print("cefpython: WARNING: failed writing to error file: %s" %
(errorFile))
# Convert error message to ascii before printing, otherwise
# you may get error like this:
# | UnicodeEncodeError: 'charmap' codec can't encode characters
errorMsg = errorMsg.encode("ascii", errors="replace")
errorMsg = errorMsg.decode("ascii", errors="replace")
print("\n" + errorMsg + "\n")
cefpython.QuitMessageLoop()
cefpython.Shutdown()
os._exit(1)
def exceptionHook(exceptionType, exceptionValue, traceObject):
errorMessage = os.linesep.join(traceback.format_exception(exceptionType, exceptionValue, traceObject))
errorFile = getApplicationPath("error.log")
try:
applicationEncoding = cefpython.g_applicationSettings["string_encoding"]
except:
applicationEncoding = "utf-8"
if type(errorMessage) == bytes:
errorMessage = errorMessage.decode(encoding=applicationEncoding, errors="replace")
try:
with codecs.open(errorFile, mode='a', encoding=applicationEncoding) as fp:
fp.write((os.linesep + '[%s] %s' + os.linesep) % (time.strftime("%d-%m-%Y %H:%M:%S"), errorMessage))
except:
print("cloudburst: WARNING: failed writing to error file: %s" % errorFile)
# Convert error message to ascii before printing to prevent errors like this:
# UnicodeEncodeError: 'charmap' codec can't encode characters
errorMessage = errorMessage.encode('ascii', errors='replace')
errorMessage = errorMessage.decode('ascii', errors='replace')
print os.linesep + errorMessage + os.linesep
cefpython.QuitMessageLoop()
cefpython.Shutdown()
os._exit(1)
def run(self):
logging.info("PySide2 version: %s" % PySide2.__version__)
logging.info("QtCore version: %s" % QtCore.__version__)
sys.excepthook = ExceptHook
settings = {}
settings["log_file"] = GetApplicationPath("debug.log")
settings["log_severity"] = cefpython.LOGSEVERITY_INFO
settings["release_dcheck_enabled"] = True # Enable only when debugging
settings["browser_subprocess_path"] = "%s/%s" % (
cefpython.GetModuleDirectory(), "subprocess")
cefpython.Initialize(settings)
app = CefApplication(sys.argv)
mainWindow = MainWindow(self.url)
mainWindow.show()
app.exec_()
app.stopTimer()
# Need to destroy QApplication(), otherwise Shutdown() fails.
# Unset main window also just to be safe.
del mainWindow
del app
cefpython.Shutdown()
def CefAdvanced():
sys.excepthook = ExceptHook
InitDebugging()
appSettings = dict()
appSettings["log_file"] = GetApplicationPath("debug.log")
# LOGSEVERITY_INFO - less debug oput.
# LOGSEVERITY_DISABLE - will not create "debug.log" file.
appSettings["log_severity"] = cefpython.LOGSEVERITY_VERBOSE
# Enable only when debugging, otherwise performance might hurt.
appSettings["release_dcheck_enabled"] = True
# Must be set so that OnUncaughtException() is called.
appSettings["uncaught_exception_stack_size"] = 100
cefpython.Initialize(applicationSettings=appSettings)
# Closing main window quits the application as we define
# WM_DESTOROY message.
wndproc = {
win32con.WM_CLOSE: CloseWindow,
win32con.WM_DESTROY: QuitApplication,
win32con.WM_SIZE: cefpython.WindowUtils.OnSize,
win32con.WM_SETFOCUS: cefpython.WindowUtils.OnSetFocus,
win32con.WM_ERASEBKGND: cefpython.WindowUtils.OnEraseBackground
}
windowHandle = cefwindow.CreateWindow(
title="CefAdvanced", className="cefadvanced",
width=900, height=710, icon="icon.ico", windowProc=wndproc)
browserSettings = dict()
browserSettings["history_disabled"] = False
browserSettings["universal_access_from_file_urls_allowed"] = True
browserSettings["file_access_from_file_urls_allowed"] = True
javascriptBindings = cefpython.JavascriptBindings(
bindToFrames=False, bindToPopups=True)
windowInfo = cefpython.WindowInfo()
windowInfo.SetAsChild(windowHandle)
browser = cefpython.CreateBrowserSync(
windowInfo, browserSettings=browserSettings,
navigateUrl=GetApplicationPath("cefadvanced.html"))
browser.SetUserData("outerWindowHandle", windowInfo.parentWindowHandle)
browser.SetClientHandler(ClientHandler())
browser.SetJavascriptBindings(javascriptBindings)
javascriptRebindings = JavascriptRebindings(javascriptBindings, browser)
javascriptRebindings.Bind()
browser.SetUserData("javascriptRebindings", javascriptRebindings)
cefpython.MessageLoop()
cefpython.Shutdown()
def ExceptHook(type, value, traceObject):
import traceback, os, time
# This hook does the following: in case of exception display it,
# write to error.log, shutdown CEF and exit application.
error = "\n".join(traceback.format_exception(type, value, traceObject))
with open(GetApplicationPath("error.log"), "a") as file:
file.write("\n[%s] %s\n" % (time.strftime("%Y-%m-%d %H:%M:%S"), error))
print("\n" + error + "\n")
cefpython.QuitMessageLoop()
cefpython.Shutdown()
# So that "finally" does not execute.
os._exit(1)
def CefAdvanced():
sys.excepthook = ExceptHook
appSettings = dict()
# appSettings["cache_path"] = "webcache/" # Disk cache
if DEBUG:
# cefpython debug messages in console and in log_file
appSettings["debug"] = True
cefwindow.g_debug = True
appSettings["log_file"] = GetApplicationPath("debug.log")
appSettings["log_severity"] = cefpython.LOGSEVERITY_INFO
appSettings["release_dcheck_enabled"] = True # Enable only when debugging
appSettings["browser_subprocess_path"] = "%s/%s" % (
cefpython.GetModuleDirectory(), "subprocess")
cefpython.Initialize(appSettings)
wndproc = {
win32con.WM_CLOSE: CloseWindow,
win32con.WM_DESTROY: QuitApplication,
win32con.WM_SIZE: cefpython.WindowUtils.OnSize,
win32con.WM_SETFOCUS: cefpython.WindowUtils.OnSetFocus,
win32con.WM_ERASEBKGND: cefpython.WindowUtils.OnEraseBackground
}
browserSettings = dict()
browserSettings["universal_access_from_file_urls_allowed"] = True
browserSettings["file_access_from_file_urls_allowed"] = True
if os.path.exists("icon.ico"):
icon = os.path.abspath("icon.ico")
else:
icon = ""
windowHandle = cefwindow.CreateWindow(title="pywin32 example",
className="cefpython3_example",
width=1024,
height=768,
icon=icon,
windowProc=wndproc)
windowInfo = cefpython.WindowInfo()
windowInfo.SetAsChild(windowHandle)
browser = cefpython.CreateBrowserSync(
windowInfo,
browserSettings,
navigateUrl=GetApplicationPath("example.html"))
cefpython.MessageLoop()
cefpython.Shutdown()
def CefSimple():
sys.excepthook = ExceptHook
cefpython.g_debug = True
cefpython.Initialize()
wndproc = {
win32con.WM_CLOSE: CloseWindow,
win32con.WM_DESTROY: QuitApplication,
win32con.WM_SIZE: cefpython.WindowUtils.OnSize,
win32con.WM_SETFOCUS: cefpython.WindowUtils.OnSetFocus,
win32con.WM_ERASEBKGND: cefpython.WindowUtils.OnEraseBackground }
windowHandle = cefwindow.CreateWindow(
title="CefSimple", className="cefsimple", width=800, height=600,
icon="icon.ico", windowProc=wndproc)
windowInfo = cefpython.WindowInfo()
windowInfo.SetAsChild(windowHandle)
browser = cefpython.CreateBrowserSync(
windowInfo, browserSettings={},
navigateUrl=GetApplicationPath("cefsimple.html"))
cefpython.MessageLoop()
cefpython.Shutdown()
# not be called anymore.
if not USE_EVT_IDLE:
self.timer.Stop()
if __name__ == '__main__':
sys.excepthook = ExceptHook
settings = {
"debug":
False, # cefpython debug messages in console and in log_file
"log_severity":
cefpython.LOGSEVERITY_INFO, # LOGSEVERITY_VERBOSE
"log_file":
GetApplicationPath("debug.log"), # Set to "" to disable.
# This directories must be set on Linux
"locales_dir_path":
cefpython.GetModuleDirectory() + "/locales",
"resources_dir_path":
cefpython.GetModuleDirectory(),
"browser_subprocess_path":
"%s/%s" % (cefpython.GetModuleDirectory(), "subprocess")
}
# print("browser_subprocess_path="+settings["browser_subprocess_path"])
cefpython.Initialize(settings)
print('wx.version=%s' % wx.version())
app = MyApp(False)
app.MainLoop()
# Let wx.App destructor do the cleanup before calling cefpython.Shutdown().
del app
cefpython.Shutdown()
def snap(command, width=800, height=600):
metadata = {}
try:
logging.info("Snapshot url: %s" % command['url'])
metadata['timestamp'] = int(time())
metadata['error'] = "0"
parent_dir = os.path.dirname(command['file'])
if parent_dir and not os.path.exists(parent_dir):
os.makedirs(parent_dir)
if 'screen_width' in command:
width = command['screen_width']
if 'screen_height' in command:
height = command['screen_height']
cefpython.g_debug = False
commandLineSwitches = dict()
if 'proxies' in command:
proxy = command['proxies'][0]
logging.info("Proxy server: %s:1080" % proxy)
commandLineSwitches['proxy-server'] = "socks5://" + proxy + ":1080"
settings = {
"log_severity":
cefpython.LOGSEVERITY_DISABLE, # LOGSEVERITY_VERBOSE
"log_file":
"",
"release_dcheck_enabled":
False, # Enable only when debugging.
# This directories must be set on Linux
"locales_dir_path":
cefpython.GetModuleDirectory() + "/locales",
"resources_dir_path":
cefpython.GetModuleDirectory(),
"multi_threaded_message_loop":
False,
"unique_request_context_per_browser":
True,
"browser_subprocess_path":
"%s/%s" % (cefpython.GetModuleDirectory(), "subprocess")
}
cefpython.Initialize(settings, commandLineSwitches)
windowInfo = cefpython.WindowInfo()
windowInfo.SetAsOffscreen(0)
browserSettings = {"default_encoding": "utf-8"}
browser = cefpython.CreateBrowserSync(windowInfo,
browserSettings,
navigateUrl=command['url'])
cookieManager = cefpython.CookieManager.CreateManager("")
if 'cookie' in command:
for k, v in command['cookie'].items():
cookie = cefpython.Cookie()
cookie.SetName(k)
cookie.SetValue(v)
cookie.SetHasExpires(False)
cookieManager.SetCookie(command['url'], cookie)
browser.SetUserData("cookieManager", cookieManager)
#browser = cefpython.CreateBrowserSync(windowInfo, browserSettings, navigateUrl="about:blank")
# TODO handle post data
#req = cefpython.Request.CreateRequest()
#req.SetUrl(command['url'])
# req.SetMethod("POST")
# a = req.SetPostData([])
#browser.GetMainFrame().LoadRequest(req)
browser.SendFocusEvent(True)
browser.SetUserData("width", width)
browser.SetUserData("height", height)
browser.SetUserData("metadata", metadata)
browser.SetClientHandler(ClientHandler(browser, command))
jsBindings = cefpython.JavascriptBindings(bindToFrames=True,
bindToPopups=True)
jsBindings.SetProperty("delay", int(command['delay']))
jsBindings.SetProperty("flash_delay", int(command['flash_delay']))
jsBindings.SetFunction("setPageSize", setPageSize)
jsBindings.SetFunction("jsCallback", jsCallback)
jsBindings.SetFunction("log", logging.info)
browser.SetJavascriptBindings(jsBindings)
#browser.WasResized()
cefpython.MessageLoop()
width = browser.GetUserData("width")
height = browser.GetUserData("height")
metadata = browser.GetUserData("metadata")
image = browser.GetUserData("image")
html = browser.GetUserData("html")
except:
logging.error(sys.exc_info())
traceback.print_exc()
metadata['error'] = str(sys.exc_info())
finally:
if metadata['error'] == "0":
metadata['status'] = "OK"
metadata['finished'] = int(time())
else:
metadata['status'] = "error"
metadata['time_finished'] = int(time())
cefpython.Shutdown()
return width, height, image, html, metadata
def shutdownCEF():
"""Shuts down CEF, should be called by app exiting code"""
cefpython.Shutdown()
